'use strict';

const obj1 = {
  'Marcus Aurelius': '121-04-26',
  'Commodus Antoninus': '161-08-31',
  'Victor Glushkov': '1923-08-24',
};

const obj2 = {
  'Ibn Arabi': '1165-11-16',
  'Mao Zedong': '1893-12-26',
  'Rene Descartes': '1596-03-31',
};

const objConcat1 = Object.assign({}, obj1, obj2);
const objConcat2 = { ...obj1, ...obj2 };

console.dir({ objConcat1, objConcat2 });
